condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 2.8674566666666665 0.0 4.5618 Root 1.8734733333333333 0.0 3.41212